Write a program in C Language to print the sum of two numbers

Write a program in C Language to print the sum of two numbers.

Here's a C program that calculates and prints the sum of two numbers:

#include <stdio.h>

int main() {

int num1, num2, sum;

printf("Enter the first number: ");

scanf("%d", &num1);

printf("Enter the second number: ");

scanf("%d", &num2);

sum = num1 + num2;

printf("The sum of %d and %d is %d\n", num1, num2, sum);

return 0;

}

The `#include <stdio.h>` line includes the standard input/output library, which provides the `printf()` and `scanf()` functions.
The `int main()` function is the starting point of the program, where the execution begins.
Three variables are declared: `num1`, `num2`, and `sum`. These variables hold the two input numbers and the sum, respectively.
The `printf("Enter the first number: ");` statement is used to prompt the user to enter the first number.
The `scanf("%d", &num1);` statement reads an integer input from the user and stores it in the `num1` variable.
Similarly, the program prompts the user to enter the second number and reads it into the `num2` variable.
The `sum` variable is assigned the sum of `num1` and `num2`.
Finally, the program prints the sum using the `printf()` function, displaying a message with the input numbers and their sum.
The `return 0;` statement indicates the successful termination of the `main()` function.

To run this program:

1. Save the program with a .c extension (e.g., sum.c).
2. Open a command prompt or terminal and navigate to the directory where the program is saved.
3. Compile the program using a C compiler (e.g., gcc).
4. Run the compiled program.

You will see the program asking for two numbers. After you input the numbers, it will display the sum. For example:

Enter the first number: 10

Enter the second number: 20

The sum of 10 and 20 is 30

Congratulations! You have successfully written a program in C to print the sum of two numbers.

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